1.

The ratio of energy required to accelerate a car from rest to 20m/s to the energy needed to accelerate from 20m/'s to 40m/'s is 1) 1:12)1:33)1:24)1:4​

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for answer see the IMAGE ....pls thank my answer and MARK as brainliestanswer is 1:1Explanation:first STEP is done with ACCELERATION formula with taking TIME as "t"



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